我正在使用AbstractUser模型来创建自定义身份验证模型。
问题是我无法覆盖用户名字段的默认表单字段验证器,这是到目前为止我尝试过的操作:
class RegularUserForm(forms.ModelForm):
def __init__(self, *args, **kwargs):
super(RegularUserForm, self).__init__(*args, **kwargs)
self.fields['username'].help_text = None
self.fields['username'].default_validators = []
self.fields['username'].validators = []
不确定如何执行此操作,覆盖help_text成功,我也尝试使用[None]
代替,[]
而self.fields['username'].validators = [validate_username]
validate_username是我创建的自定义验证器。
例如,这是表单代码:
class RegularUserForm(forms.ModelForm):
username = forms.CharField(max_length=30, validators=[validate_username])
email1 = forms.EmailField(required=True, label='')
class Meta:
model = RegularUser
fields = ['username', 'password', 'email', 'email1', 'gender', ]
widgets = {'password': forms.PasswordInput(attrs={'placeholder': 'enter password'}),
'email': forms.EmailInput(attrs={'placeholder': 'enter email'})
}
def clean(self):
cleaned_data = super(RegularUserForm, self).clean()
email = self.cleaned_data.get('email')
email1 = self.cleaned_data.get('email1')
if email != email1:
self.add_error("email1", 'emails do not match')
return cleaned_data
任何帮助表示赞赏!
幸运的是,我找到了解决方案,我覆盖了表单中的验证器,但没有覆盖模型中的验证器(也做了相反的事情),所以我必须这样做:
from utils import validate_username
class RegularUserForm(forms.ModelForm):
username = forms.CharField(max_length=50, validators=[validate_username])
和
class RegularUser(AbstractUser):
def __init__(self, *args, **kwargs):
super(RegularUser, self).__init__(*args, **kwargs)
self._meta.get_field('username').validators = [validate_username]
读者注意事项:确保同时覆盖模型验证者和表单验证者!
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